Home / 52,264.14-72,135.01-31,039.30

Finding the Fourth Proportional to 52,264.14, 72,135.01 and 31,039.30

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Solution

The fourth proportional to 52,264.14, 72,135.01 and 31,039.30 is: 42,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,264.14 : 72,135.01 = 31,039.30 : x
  2. Step 2: Convert to fraction form
    52,264.14/72,135.01 = 31,039.30/x
  3. Step 3: Cross multiply
    52,264.14x = 72,135.01 × 31,039.30
  4. Step 4: Simplify right side
    52,264.14x = 2,239,020,170.26
  5. Step 5: Solve for x
    x = 2,239,020,170.26/52,264.14
  6. Step 6: Final answer
    x = 42,840.47

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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.