Home / 31,515.17-43,490.93-17,368.01

Finding the Fourth Proportional to 31,515.17, 43,490.93 and 17,368.01

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Solution

The fourth proportional to 31,515.17, 43,490.93 and 17,368.01 is: 23,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.17 : 43,490.93 = 17,368.01 : x
  2. Step 2: Convert to fraction form
    31,515.17/43,490.93 = 17,368.01/x
  3. Step 3: Cross multiply
    31,515.17x = 43,490.93 × 17,368.01
  4. Step 4: Simplify right side
    31,515.17x = 755,350,602.85
  5. Step 5: Solve for x
    x = 755,350,602.85/31,515.17
  6. Step 6: Final answer
    x = 23,967.85

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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.