Home / 29,041.02-40,070.50-18,984.20

Finding the Fourth Proportional to 29,041.02, 40,070.50 and 18,984.20

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Solution

The fourth proportional to 29,041.02, 40,070.50 and 18,984.20 is: 26,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.02 : 40,070.50 = 18,984.20 : x
  2. Step 2: Convert to fraction form
    29,041.02/40,070.50 = 18,984.20/x
  3. Step 3: Cross multiply
    29,041.02x = 40,070.50 × 18,984.20
  4. Step 4: Simplify right side
    29,041.02x = 760,706,138.29
  5. Step 5: Solve for x
    x = 760,706,138.29/29,041.02
  6. Step 6: Final answer
    x = 26,194.19

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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.