Home / 42,530.67-58,712.45-28,392.93

Finding the Fourth Proportional to 42,530.67, 58,712.45 and 28,392.93

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Solution

The fourth proportional to 42,530.67, 58,712.45 and 28,392.93 is: 39,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.67 : 58,712.45 = 28,392.93 : x
  2. Step 2: Convert to fraction form
    42,530.67/58,712.45 = 28,392.93/x
  3. Step 3: Cross multiply
    42,530.67x = 58,712.45 × 28,392.93
  4. Step 4: Simplify right side
    42,530.67x = 1,667,018,341.01
  5. Step 5: Solve for x
    x = 1,667,018,341.01/42,530.67
  6. Step 6: Final answer
    x = 39,195.68

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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.