Home / 42,925.14-64,398.24-13,345.56

Finding the Fourth Proportional to 42,925.14, 64,398.24 and 13,345.56

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Solution

The fourth proportional to 42,925.14, 64,398.24 and 13,345.56 is: 20,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.14 : 64,398.24 = 13,345.56 : x
  2. Step 2: Convert to fraction form
    42,925.14/64,398.24 = 13,345.56/x
  3. Step 3: Cross multiply
    42,925.14x = 64,398.24 × 13,345.56
  4. Step 4: Simplify right side
    42,925.14x = 859,430,575.81
  5. Step 5: Solve for x
    x = 859,430,575.81/42,925.14
  6. Step 6: Final answer
    x = 20,021.61

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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.