Home / 39,248.51-58,864.50-12,947.09

Finding the Fourth Proportional to 39,248.51, 58,864.50 and 12,947.09

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Solution

The fourth proportional to 39,248.51, 58,864.50 and 12,947.09 is: 19,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.51 : 58,864.50 = 12,947.09 : x
  2. Step 2: Convert to fraction form
    39,248.51/58,864.50 = 12,947.09/x
  3. Step 3: Cross multiply
    39,248.51x = 58,864.50 × 12,947.09
  4. Step 4: Simplify right side
    39,248.51x = 762,123,684.98
  5. Step 5: Solve for x
    x = 762,123,684.98/39,248.51
  6. Step 6: Final answer
    x = 19,417.90

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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.