Home / 65,417.08-90,275.40-36,732.54

Finding the Fourth Proportional to 65,417.08, 90,275.40 and 36,732.54

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Solution

The fourth proportional to 65,417.08, 90,275.40 and 36,732.54 is: 50,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,417.08 : 90,275.40 = 36,732.54 : x
  2. Step 2: Convert to fraction form
    65,417.08/90,275.40 = 36,732.54/x
  3. Step 3: Cross multiply
    65,417.08x = 90,275.40 × 36,732.54
  4. Step 4: Simplify right side
    65,417.08x = 3,316,044,741.52
  5. Step 5: Solve for x
    x = 3,316,044,741.52/65,417.08
  6. Step 6: Final answer
    x = 50,690.81

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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.