Home / 63,022.28-86,970.84-34,728.68

Finding the Fourth Proportional to 63,022.28, 86,970.84 and 34,728.68

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Solution

The fourth proportional to 63,022.28, 86,970.84 and 34,728.68 is: 47,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.28 : 86,970.84 = 34,728.68 : x
  2. Step 2: Convert to fraction form
    63,022.28/86,970.84 = 34,728.68/x
  3. Step 3: Cross multiply
    63,022.28x = 86,970.84 × 34,728.68
  4. Step 4: Simplify right side
    63,022.28x = 3,020,382,471.69
  5. Step 5: Solve for x
    x = 3,020,382,471.69/63,022.28
  6. Step 6: Final answer
    x = 47,925.63

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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.