Home / 56,148.98-77,484.33-30,654.36

Finding the Fourth Proportional to 56,148.98, 77,484.33 and 30,654.36

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Solution

The fourth proportional to 56,148.98, 77,484.33 and 30,654.36 is: 42,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.98 : 77,484.33 = 30,654.36 : x
  2. Step 2: Convert to fraction form
    56,148.98/77,484.33 = 30,654.36/x
  3. Step 3: Cross multiply
    56,148.98x = 77,484.33 × 30,654.36
  4. Step 4: Simplify right side
    56,148.98x = 2,375,232,546.18
  5. Step 5: Solve for x
    x = 2,375,232,546.18/56,148.98
  6. Step 6: Final answer
    x = 42,302.33

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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.