Home / 53,622.40-74,002.42-30,962.35

Finding the Fourth Proportional to 53,622.40, 74,002.42 and 30,962.35

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Solution

The fourth proportional to 53,622.40, 74,002.42 and 30,962.35 is: 42,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,622.40 : 74,002.42 = 30,962.35 : x
  2. Step 2: Convert to fraction form
    53,622.40/74,002.42 = 30,962.35/x
  3. Step 3: Cross multiply
    53,622.40x = 74,002.42 × 30,962.35
  4. Step 4: Simplify right side
    53,622.40x = 2,291,288,906.29
  5. Step 5: Solve for x
    x = 2,291,288,906.29/53,622.40
  6. Step 6: Final answer
    x = 42,730.07

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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.