Home / 39,875.19-59,822.05-13,580.16

Finding the Fourth Proportional to 39,875.19, 59,822.05 and 13,580.16

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Solution

The fourth proportional to 39,875.19, 59,822.05 and 13,580.16 is: 20,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875.19 : 59,822.05 = 13,580.16 : x
  2. Step 2: Convert to fraction form
    39,875.19/59,822.05 = 13,580.16/x
  3. Step 3: Cross multiply
    39,875.19x = 59,822.05 × 13,580.16
  4. Step 4: Simplify right side
    39,875.19x = 812,393,010.53
  5. Step 5: Solve for x
    x = 812,393,010.53/39,875.19
  6. Step 6: Final answer
    x = 20,373.40

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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.