Home / 35,430.40-53,131.02-28,052.92

Finding the Fourth Proportional to 35,430.40, 53,131.02 and 28,052.92

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Solution

The fourth proportional to 35,430.40, 53,131.02 and 28,052.92 is: 42,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.40 : 53,131.02 = 28,052.92 : x
  2. Step 2: Convert to fraction form
    35,430.40/53,131.02 = 28,052.92/x
  3. Step 3: Cross multiply
    35,430.40x = 53,131.02 × 28,052.92
  4. Step 4: Simplify right side
    35,430.40x = 1,490,480,253.58
  5. Step 5: Solve for x
    x = 1,490,480,253.58/35,430.40
  6. Step 6: Final answer
    x = 42,067.84

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1.5x scale

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.