Home / 39,430.56-59,113.17-15,723.48

Finding the Fourth Proportional to 39,430.56, 59,113.17 and 15,723.48

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Solution

The fourth proportional to 39,430.56, 59,113.17 and 15,723.48 is: 23,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.56 : 59,113.17 = 15,723.48 : x
  2. Step 2: Convert to fraction form
    39,430.56/59,113.17 = 15,723.48/x
  3. Step 3: Cross multiply
    39,430.56x = 59,113.17 × 15,723.48
  4. Step 4: Simplify right side
    39,430.56x = 929,464,746.23
  5. Step 5: Solve for x
    x = 929,464,746.23/39,430.56
  6. Step 6: Final answer
    x = 23,572.19

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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.