Home / 39,184,780.24-54,075,642.48-21,544,427.20

Finding the Fourth Proportional to 39,184,780.24, 54,075,642.48 and 21,544,427.20

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Solution

The fourth proportional to 39,184,780.24, 54,075,642.48 and 21,544,427.20 is: 29,731,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184,780.24 : 54,075,642.48 = 21,544,427.20 : x
  2. Step 2: Convert to fraction form
    39,184,780.24/54,075,642.48 = 21,544,427.20/x
  3. Step 3: Cross multiply
    39,184,780.24x = 54,075,642.48 × 21,544,427.20
  4. Step 4: Simplify right side
    39,184,780.24x = 1,165,028,742,703,587.25
  5. Step 5: Solve for x
    x = 1,165,028,742,703,587.25/39,184,780.24
  6. Step 6: Final answer
    x = 29,731,664.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.