Home / 31,348.60-47,017.43-12,368.17

Finding the Fourth Proportional to 31,348.60, 47,017.43 and 12,368.17

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Solution

The fourth proportional to 31,348.60, 47,017.43 and 12,368.17 is: 18,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.60 : 47,017.43 = 12,368.17 : x
  2. Step 2: Convert to fraction form
    31,348.60/47,017.43 = 12,368.17/x
  3. Step 3: Cross multiply
    31,348.60x = 47,017.43 × 12,368.17
  4. Step 4: Simplify right side
    31,348.60x = 581,519,610.51
  5. Step 5: Solve for x
    x = 581,519,610.51/31,348.60
  6. Step 6: Final answer
    x = 18,550.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.