Home / 39,055.23-53,895.92-21,150.18

Finding the Fourth Proportional to 39,055.23, 53,895.92 and 21,150.18

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Solution

The fourth proportional to 39,055.23, 53,895.92 and 21,150.18 is: 29,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.23 : 53,895.92 = 21,150.18 : x
  2. Step 2: Convert to fraction form
    39,055.23/53,895.92 = 21,150.18/x
  3. Step 3: Cross multiply
    39,055.23x = 53,895.92 × 21,150.18
  4. Step 4: Simplify right side
    39,055.23x = 1,139,908,303.51
  5. Step 5: Solve for x
    x = 1,139,908,303.51/39,055.23
  6. Step 6: Final answer
    x = 29,187.08

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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.