Home / 40,865.04-56,345.58-38,342.70

Finding the Fourth Proportional to 40,865.04, 56,345.58 and 38,342.70

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Solution

The fourth proportional to 40,865.04, 56,345.58 and 38,342.70 is: 52,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.04 : 56,345.58 = 38,342.70 : x
  2. Step 2: Convert to fraction form
    40,865.04/56,345.58 = 38,342.70/x
  3. Step 3: Cross multiply
    40,865.04x = 56,345.58 × 38,342.70
  4. Step 4: Simplify right side
    40,865.04x = 2,160,441,670.27
  5. Step 5: Solve for x
    x = 2,160,441,670.27/40,865.04
  6. Step 6: Final answer
    x = 52,867.72

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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.