Home / 56,901.10-85,351.65-30,657.10

Finding the Fourth Proportional to 56,901.10, 85,351.65 and 30,657.10

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Solution

The fourth proportional to 56,901.10, 85,351.65 and 30,657.10 is: 45,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.10 : 85,351.65 = 30,657.10 : x
  2. Step 2: Convert to fraction form
    56,901.10/85,351.65 = 30,657.10/x
  3. Step 3: Cross multiply
    56,901.10x = 85,351.65 × 30,657.10
  4. Step 4: Simplify right side
    56,901.10x = 2,616,634,069.22
  5. Step 5: Solve for x
    x = 2,616,634,069.22/56,901.10
  6. Step 6: Final answer
    x = 45,985.65

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Similar ratio
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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.