Home / 31,417.61-43,354.47-17,270.45

Finding the Fourth Proportional to 31,417.61, 43,354.47 and 17,270.45

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Solution

The fourth proportional to 31,417.61, 43,354.47 and 17,270.45 is: 23,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.61 : 43,354.47 = 17,270.45 : x
  2. Step 2: Convert to fraction form
    31,417.61/43,354.47 = 17,270.45/x
  3. Step 3: Cross multiply
    31,417.61x = 43,354.47 × 17,270.45
  4. Step 4: Simplify right side
    31,417.61x = 748,751,216.98
  5. Step 5: Solve for x
    x = 748,751,216.98/31,417.61
  6. Step 6: Final answer
    x = 23,832.22

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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.