Home / 42,799.32-59,079.48-38,315.16

Finding the Fourth Proportional to 42,799.32, 59,079.48 and 38,315.16

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Solution

The fourth proportional to 42,799.32, 59,079.48 and 38,315.16 is: 52,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.32 : 59,079.48 = 38,315.16 : x
  2. Step 2: Convert to fraction form
    42,799.32/59,079.48 = 38,315.16/x
  3. Step 3: Cross multiply
    42,799.32x = 59,079.48 × 38,315.16
  4. Step 4: Simplify right side
    42,799.32x = 2,263,639,728.92
  5. Step 5: Solve for x
    x = 2,263,639,728.92/42,799.32
  6. Step 6: Final answer
    x = 52,889.62

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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.