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Finding the Fourth Proportional to 37,776.58, 56,666.88 and 9,696.87

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Solution

The fourth proportional to 37,776.58, 56,666.88 and 9,696.87 is: 14,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.58 : 56,666.88 = 9,696.87 : x
  2. Step 2: Convert to fraction form
    37,776.58/56,666.88 = 9,696.87/x
  3. Step 3: Cross multiply
    37,776.58x = 56,666.88 × 9,696.87
  4. Step 4: Simplify right side
    37,776.58x = 549,491,368.67
  5. Step 5: Solve for x
    x = 549,491,368.67/37,776.58
  6. Step 6: Final answer
    x = 14,545.82

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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.