Home / 31,041.88-42,838.80-17,613.70

Finding the Fourth Proportional to 31,041.88, 42,838.80 and 17,613.70

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Solution

The fourth proportional to 31,041.88, 42,838.80 and 17,613.70 is: 24,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.88 : 42,838.80 = 17,613.70 : x
  2. Step 2: Convert to fraction form
    31,041.88/42,838.80 = 17,613.70/x
  3. Step 3: Cross multiply
    31,041.88x = 42,838.80 × 17,613.70
  4. Step 4: Simplify right side
    31,041.88x = 754,549,888.92
  5. Step 5: Solve for x
    x = 754,549,888.92/31,041.88
  6. Step 6: Final answer
    x = 24,307.48

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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.