Home / 42,437.96-63,663.54-12,848.76

Finding the Fourth Proportional to 42,437.96, 63,663.54 and 12,848.76

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Solution

The fourth proportional to 42,437.96, 63,663.54 and 12,848.76 is: 19,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.96 : 63,663.54 = 12,848.76 : x
  2. Step 2: Convert to fraction form
    42,437.96/63,663.54 = 12,848.76/x
  3. Step 3: Cross multiply
    42,437.96x = 63,663.54 × 12,848.76
  4. Step 4: Simplify right side
    42,437.96x = 817,997,546.21
  5. Step 5: Solve for x
    x = 817,997,546.21/42,437.96
  6. Step 6: Final answer
    x = 19,275.14

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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.