Home / 42,785.29-64,164.28-14,698.57

Finding the Fourth Proportional to 42,785.29, 64,164.28 and 14,698.57

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Solution

The fourth proportional to 42,785.29, 64,164.28 and 14,698.57 is: 22,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,785.29 : 64,164.28 = 14,698.57 : x
  2. Step 2: Convert to fraction form
    42,785.29/64,164.28 = 14,698.57/x
  3. Step 3: Cross multiply
    42,785.29x = 64,164.28 × 14,698.57
  4. Step 4: Simplify right side
    42,785.29x = 943,123,161.08
  5. Step 5: Solve for x
    x = 943,123,161.08/42,785.29
  6. Step 6: Final answer
    x = 22,043.16

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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.