Home / 42,921.69-64,392.48-13,337.93

Finding the Fourth Proportional to 42,921.69, 64,392.48 and 13,337.93

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Solution

The fourth proportional to 42,921.69, 64,392.48 and 13,337.93 is: 20,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921.69 : 64,392.48 = 13,337.93 : x
  2. Step 2: Convert to fraction form
    42,921.69/64,392.48 = 13,337.93/x
  3. Step 3: Cross multiply
    42,921.69x = 64,392.48 × 13,337.93
  4. Step 4: Simplify right side
    42,921.69x = 858,862,068.80
  5. Step 5: Solve for x
    x = 858,862,068.80/42,921.69
  6. Step 6: Final answer
    x = 20,009.98

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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.