Home / 42,547.68-63,830.97-12,967.76

Finding the Fourth Proportional to 42,547.68, 63,830.97 and 12,967.76

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Solution

The fourth proportional to 42,547.68, 63,830.97 and 12,967.76 is: 19,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.68 : 63,830.97 = 12,967.76 : x
  2. Step 2: Convert to fraction form
    42,547.68/63,830.97 = 12,967.76/x
  3. Step 3: Cross multiply
    42,547.68x = 63,830.97 × 12,967.76
  4. Step 4: Simplify right side
    42,547.68x = 827,744,859.10
  5. Step 5: Solve for x
    x = 827,744,859.10/42,547.68
  6. Step 6: Final answer
    x = 19,454.52

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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.