Home / 42,279.32-63,428.66-22,547.48

Finding the Fourth Proportional to 42,279.32, 63,428.66 and 22,547.48

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Solution

The fourth proportional to 42,279.32, 63,428.66 and 22,547.48 is: 33,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.32 : 63,428.66 = 22,547.48 : x
  2. Step 2: Convert to fraction form
    42,279.32/63,428.66 = 22,547.48/x
  3. Step 3: Cross multiply
    42,279.32x = 63,428.66 × 22,547.48
  4. Step 4: Simplify right side
    42,279.32x = 1,430,156,442.78
  5. Step 5: Solve for x
    x = 1,430,156,442.78/42,279.32
  6. Step 6: Final answer
    x = 33,826.38

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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.