Home / 40,389.90-60,580.07-10,810.02

Finding the Fourth Proportional to 40,389.90, 60,580.07 and 10,810.02

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Solution

The fourth proportional to 40,389.90, 60,580.07 and 10,810.02 is: 16,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.90 : 60,580.07 = 10,810.02 : x
  2. Step 2: Convert to fraction form
    40,389.90/60,580.07 = 10,810.02/x
  3. Step 3: Cross multiply
    40,389.90x = 60,580.07 × 10,810.02
  4. Step 4: Simplify right side
    40,389.90x = 654,871,714.25
  5. Step 5: Solve for x
    x = 654,871,714.25/40,389.90
  6. Step 6: Final answer
    x = 16,213.75

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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.