Home / 31,402.28-43,334.23-17,973.07

Finding the Fourth Proportional to 31,402.28, 43,334.23 and 17,973.07

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Solution

The fourth proportional to 31,402.28, 43,334.23 and 17,973.07 is: 24,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.28 : 43,334.23 = 17,973.07 : x
  2. Step 2: Convert to fraction form
    31,402.28/43,334.23 = 17,973.07/x
  3. Step 3: Cross multiply
    31,402.28x = 43,334.23 × 17,973.07
  4. Step 4: Simplify right side
    31,402.28x = 778,849,149.19
  5. Step 5: Solve for x
    x = 778,849,149.19/31,402.28
  6. Step 6: Final answer
    x = 24,802.31

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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.