Home / 40,541.04-55,985.28-38,332.20

Finding the Fourth Proportional to 40,541.04, 55,985.28 and 38,332.20

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Solution

The fourth proportional to 40,541.04, 55,985.28 and 38,332.20 is: 52,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,541.04 : 55,985.28 = 38,332.20 : x
  2. Step 2: Convert to fraction form
    40,541.04/55,985.28 = 38,332.20/x
  3. Step 3: Cross multiply
    40,541.04x = 55,985.28 × 38,332.20
  4. Step 4: Simplify right side
    40,541.04x = 2,146,038,950.02
  5. Step 5: Solve for x
    x = 2,146,038,950.02/40,541.04
  6. Step 6: Final answer
    x = 52,934.98

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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.