Home / 42,689.08-58,914.30-24,789.70

Finding the Fourth Proportional to 42,689.08, 58,914.30 and 24,789.70

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Solution

The fourth proportional to 42,689.08, 58,914.30 and 24,789.70 is: 34,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.08 : 58,914.30 = 24,789.70 : x
  2. Step 2: Convert to fraction form
    42,689.08/58,914.30 = 24,789.70/x
  3. Step 3: Cross multiply
    42,689.08x = 58,914.30 × 24,789.70
  4. Step 4: Simplify right side
    42,689.08x = 1,460,467,822.71
  5. Step 5: Solve for x
    x = 1,460,467,822.71/42,689.08
  6. Step 6: Final answer
    x = 34,211.74

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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.