Home / 39,248.91-58,875.40-12,955.70

Finding the Fourth Proportional to 39,248.91, 58,875.40 and 12,955.70

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Solution

The fourth proportional to 39,248.91, 58,875.40 and 12,955.70 is: 19,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.91 : 58,875.40 = 12,955.70 : x
  2. Step 2: Convert to fraction form
    39,248.91/58,875.40 = 12,955.70/x
  3. Step 3: Cross multiply
    39,248.91x = 58,875.40 × 12,955.70
  4. Step 4: Simplify right side
    39,248.91x = 762,772,019.78
  5. Step 5: Solve for x
    x = 762,772,019.78/39,248.91
  6. Step 6: Final answer
    x = 19,434.22

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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.