Home / 45,712.40-62,970.36-38,976.08

Finding the Fourth Proportional to 45,712.40, 62,970.36 and 38,976.08

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Solution

The fourth proportional to 45,712.40, 62,970.36 and 38,976.08 is: 53,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.40 : 62,970.36 = 38,976.08 : x
  2. Step 2: Convert to fraction form
    45,712.40/62,970.36 = 38,976.08/x
  3. Step 3: Cross multiply
    45,712.40x = 62,970.36 × 38,976.08
  4. Step 4: Simplify right side
    45,712.40x = 2,454,337,788.99
  5. Step 5: Solve for x
    x = 2,454,337,788.99/45,712.40
  6. Step 6: Final answer
    x = 53,690.85

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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.