Home / 40,335.54-55,656.93-22,430.70

Finding the Fourth Proportional to 40,335.54, 55,656.93 and 22,430.70

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Solution

The fourth proportional to 40,335.54, 55,656.93 and 22,430.70 is: 30,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.54 : 55,656.93 = 22,430.70 : x
  2. Step 2: Convert to fraction form
    40,335.54/55,656.93 = 22,430.70/x
  3. Step 3: Cross multiply
    40,335.54x = 55,656.93 × 22,430.70
  4. Step 4: Simplify right side
    40,335.54x = 1,248,423,899.75
  5. Step 5: Solve for x
    x = 1,248,423,899.75/40,335.54
  6. Step 6: Final answer
    x = 30,950.97

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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.