Home / 61,615.02-84,989.58-40,395.66

Finding the Fourth Proportional to 61,615.02, 84,989.58 and 40,395.66

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Solution

The fourth proportional to 61,615.02, 84,989.58 and 40,395.66 is: 55,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615.02 : 84,989.58 = 40,395.66 : x
  2. Step 2: Convert to fraction form
    61,615.02/84,989.58 = 40,395.66/x
  3. Step 3: Cross multiply
    61,615.02x = 84,989.58 × 40,395.66
  4. Step 4: Simplify right side
    61,615.02x = 3,433,210,177.22
  5. Step 5: Solve for x
    x = 3,433,210,177.22/61,615.02
  6. Step 6: Final answer
    x = 55,720.35

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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.