Home / 38,075.81-52,546.34-21,308.81

Finding the Fourth Proportional to 38,075.81, 52,546.34 and 21,308.81

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Solution

The fourth proportional to 38,075.81, 52,546.34 and 21,308.81 is: 29,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.81 : 52,546.34 = 21,308.81 : x
  2. Step 2: Convert to fraction form
    38,075.81/52,546.34 = 21,308.81/x
  3. Step 3: Cross multiply
    38,075.81x = 52,546.34 × 21,308.81
  4. Step 4: Simplify right side
    38,075.81x = 1,119,699,975.26
  5. Step 5: Solve for x
    x = 1,119,699,975.26/38,075.81
  6. Step 6: Final answer
    x = 29,407.12

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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.