Home / 56,830.68-78,426.88-31,337.96

Finding the Fourth Proportional to 56,830.68, 78,426.88 and 31,337.96

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Solution

The fourth proportional to 56,830.68, 78,426.88 and 31,337.96 is: 43,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.68 : 78,426.88 = 31,337.96 : x
  2. Step 2: Convert to fraction form
    56,830.68/78,426.88 = 31,337.96/x
  3. Step 3: Cross multiply
    56,830.68x = 78,426.88 × 31,337.96
  4. Step 4: Simplify right side
    56,830.68x = 2,457,738,428.36
  5. Step 5: Solve for x
    x = 2,457,738,428.36/56,830.68
  6. Step 6: Final answer
    x = 43,246.68

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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.