Home / 62,981.91-86,921.18-47,038.68

Finding the Fourth Proportional to 62,981.91, 86,921.18 and 47,038.68

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Solution

The fourth proportional to 62,981.91, 86,921.18 and 47,038.68 is: 64,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.91 : 86,921.18 = 47,038.68 : x
  2. Step 2: Convert to fraction form
    62,981.91/86,921.18 = 47,038.68/x
  3. Step 3: Cross multiply
    62,981.91x = 86,921.18 × 47,038.68
  4. Step 4: Simplify right side
    62,981.91x = 4,088,657,336.05
  5. Step 5: Solve for x
    x = 4,088,657,336.05/62,981.91
  6. Step 6: Final answer
    x = 64,917.96

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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.