Home / 42,595.76-63,841.80-19,215.92

Finding the Fourth Proportional to 42,595.76, 63,841.80 and 19,215.92

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Solution

The fourth proportional to 42,595.76, 63,841.80 and 19,215.92 is: 28,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595.76 : 63,841.80 = 19,215.92 : x
  2. Step 2: Convert to fraction form
    42,595.76/63,841.80 = 19,215.92/x
  3. Step 3: Cross multiply
    42,595.76x = 63,841.80 × 19,215.92
  4. Step 4: Simplify right side
    42,595.76x = 1,226,778,921.46
  5. Step 5: Solve for x
    x = 1,226,778,921.46/42,595.76
  6. Step 6: Final answer
    x = 28,800.49

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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.