Home / 40,339.48-55,663.14-22,430.92

Finding the Fourth Proportional to 40,339.48, 55,663.14 and 22,430.92

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Solution

The fourth proportional to 40,339.48, 55,663.14 and 22,430.92 is: 30,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.48 : 55,663.14 = 22,430.92 : x
  2. Step 2: Convert to fraction form
    40,339.48/55,663.14 = 22,430.92/x
  3. Step 3: Cross multiply
    40,339.48x = 55,663.14 × 22,430.92
  4. Step 4: Simplify right side
    40,339.48x = 1,248,575,440.29
  5. Step 5: Solve for x
    x = 1,248,575,440.29/40,339.48
  6. Step 6: Final answer
    x = 30,951.70

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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.