Home / 31,526.86-43,418.49-30,837.95

Finding the Fourth Proportional to 31,526.86, 43,418.49 and 30,837.95

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Solution

The fourth proportional to 31,526.86, 43,418.49 and 30,837.95 is: 42,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.86 : 43,418.49 = 30,837.95 : x
  2. Step 2: Convert to fraction form
    31,526.86/43,418.49 = 30,837.95/x
  3. Step 3: Cross multiply
    31,526.86x = 43,418.49 × 30,837.95
  4. Step 4: Simplify right side
    31,526.86x = 1,338,937,332.24
  5. Step 5: Solve for x
    x = 1,338,937,332.24/31,526.86
  6. Step 6: Final answer
    x = 42,469.74

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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.