Home / 31,135.04-42,967.58-17,707.52

Finding the Fourth Proportional to 31,135.04, 42,967.58 and 17,707.52

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Solution

The fourth proportional to 31,135.04, 42,967.58 and 17,707.52 is: 24,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.04 : 42,967.58 = 17,707.52 : x
  2. Step 2: Convert to fraction form
    31,135.04/42,967.58 = 17,707.52/x
  3. Step 3: Cross multiply
    31,135.04x = 42,967.58 × 17,707.52
  4. Step 4: Simplify right side
    31,135.04x = 760,849,282.20
  5. Step 5: Solve for x
    x = 760,849,282.20/31,135.04
  6. Step 6: Final answer
    x = 24,437.07

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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.