Home / 56,612.66-78,123.57-31,461.62

Finding the Fourth Proportional to 56,612.66, 78,123.57 and 31,461.62

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Solution

The fourth proportional to 56,612.66, 78,123.57 and 31,461.62 is: 43,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.66 : 78,123.57 = 31,461.62 : x
  2. Step 2: Convert to fraction form
    56,612.66/78,123.57 = 31,461.62/x
  3. Step 3: Cross multiply
    56,612.66x = 78,123.57 × 31,461.62
  4. Step 4: Simplify right side
    56,612.66x = 2,457,894,072.38
  5. Step 5: Solve for x
    x = 2,457,894,072.38/56,612.66
  6. Step 6: Final answer
    x = 43,415.98

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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.