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Finding the Fourth Proportional to 56,035.92, 77,441.04 and 45,948.72

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Solution

The fourth proportional to 56,035.92, 77,441.04 and 45,948.72 is: 63,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,035.92 : 77,441.04 = 45,948.72 : x
  2. Step 2: Convert to fraction form
    56,035.92/77,441.04 = 45,948.72/x
  3. Step 3: Cross multiply
    56,035.92x = 77,441.04 × 45,948.72
  4. Step 4: Simplify right side
    56,035.92x = 3,558,316,663.47
  5. Step 5: Solve for x
    x = 3,558,316,663.47/56,035.92
  6. Step 6: Final answer
    x = 63,500.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.