Home / 39,746.12-59,621.00-28,111.28

Finding the Fourth Proportional to 39,746.12, 59,621.00 and 28,111.28

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Solution

The fourth proportional to 39,746.12, 59,621.00 and 28,111.28 is: 42,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,746.12 : 59,621.00 = 28,111.28 : x
  2. Step 2: Convert to fraction form
    39,746.12/59,621.00 = 28,111.28/x
  3. Step 3: Cross multiply
    39,746.12x = 59,621.00 × 28,111.28
  4. Step 4: Simplify right side
    39,746.12x = 1,676,022,186.22
  5. Step 5: Solve for x
    x = 1,676,022,186.22/39,746.12
  6. Step 6: Final answer
    x = 42,168.20

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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.