Home / 38,501.34-53,082.45-31,577.10

Finding the Fourth Proportional to 38,501.34, 53,082.45 and 31,577.10

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Solution

The fourth proportional to 38,501.34, 53,082.45 and 31,577.10 is: 43,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.34 : 53,082.45 = 31,577.10 : x
  2. Step 2: Convert to fraction form
    38,501.34/53,082.45 = 31,577.10/x
  3. Step 3: Cross multiply
    38,501.34x = 53,082.45 × 31,577.10
  4. Step 4: Simplify right side
    38,501.34x = 1,676,189,831.90
  5. Step 5: Solve for x
    x = 1,676,189,831.90/38,501.34
  6. Step 6: Final answer
    x = 43,535.88

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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.