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Finding the Fourth Proportional to 56,456.84, 84,663.71 and 19,006.87

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Solution

The fourth proportional to 56,456.84, 84,663.71 and 19,006.87 is: 28,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.84 : 84,663.71 = 19,006.87 : x
  2. Step 2: Convert to fraction form
    56,456.84/84,663.71 = 19,006.87/x
  3. Step 3: Cross multiply
    56,456.84x = 84,663.71 × 19,006.87
  4. Step 4: Simplify right side
    56,456.84x = 1,609,192,129.69
  5. Step 5: Solve for x
    x = 1,609,192,129.69/56,456.84
  6. Step 6: Final answer
    x = 28,503.05

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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.