Home / 30,332.13-45,500.55-13,701.48

Finding the Fourth Proportional to 30,332.13, 45,500.55 and 13,701.48

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Solution

The fourth proportional to 30,332.13, 45,500.55 and 13,701.48 is: 20,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.13 : 45,500.55 = 13,701.48 : x
  2. Step 2: Convert to fraction form
    30,332.13/45,500.55 = 13,701.48/x
  3. Step 3: Cross multiply
    30,332.13x = 45,500.55 × 13,701.48
  4. Step 4: Simplify right side
    30,332.13x = 623,424,875.81
  5. Step 5: Solve for x
    x = 623,424,875.81/30,332.13
  6. Step 6: Final answer
    x = 20,553.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.