Home / 31,307.04-43,204.76-17,159.92

Finding the Fourth Proportional to 31,307.04, 43,204.76 and 17,159.92

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Solution

The fourth proportional to 31,307.04, 43,204.76 and 17,159.92 is: 23,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.04 : 43,204.76 = 17,159.92 : x
  2. Step 2: Convert to fraction form
    31,307.04/43,204.76 = 17,159.92/x
  3. Step 3: Cross multiply
    31,307.04x = 43,204.76 × 17,159.92
  4. Step 4: Simplify right side
    31,307.04x = 741,390,225.22
  5. Step 5: Solve for x
    x = 741,390,225.22/31,307.04
  6. Step 6: Final answer
    x = 23,681.26

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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.