Home / 42,438.32-63,657.06-25,802.94

Finding the Fourth Proportional to 42,438.32, 63,657.06 and 25,802.94

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Solution

The fourth proportional to 42,438.32, 63,657.06 and 25,802.94 is: 38,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.32 : 63,657.06 = 25,802.94 : x
  2. Step 2: Convert to fraction form
    42,438.32/63,657.06 = 25,802.94/x
  3. Step 3: Cross multiply
    42,438.32x = 63,657.06 × 25,802.94
  4. Step 4: Simplify right side
    42,438.32x = 1,642,539,299.76
  5. Step 5: Solve for x
    x = 1,642,539,299.76/42,438.32
  6. Step 6: Final answer
    x = 38,704.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.