Home / 31,526.16-43,510.04-18,101.62

Finding the Fourth Proportional to 31,526.16, 43,510.04 and 18,101.62

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Solution

The fourth proportional to 31,526.16, 43,510.04 and 18,101.62 is: 24,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.16 : 43,510.04 = 18,101.62 : x
  2. Step 2: Convert to fraction form
    31,526.16/43,510.04 = 18,101.62/x
  3. Step 3: Cross multiply
    31,526.16x = 43,510.04 × 18,101.62
  4. Step 4: Simplify right side
    31,526.16x = 787,602,210.26
  5. Step 5: Solve for x
    x = 787,602,210.26/31,526.16
  6. Step 6: Final answer
    x = 24,982.50

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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.