Home / 84,619.20-126,928.80-32,030.40

Finding the Fourth Proportional to 84,619.20, 126,928.80 and 32,030.40

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Solution

The fourth proportional to 84,619.20, 126,928.80 and 32,030.40 is: 48,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.20 : 126,928.80 = 32,030.40 : x
  2. Step 2: Convert to fraction form
    84,619.20/126,928.80 = 32,030.40/x
  3. Step 3: Cross multiply
    84,619.20x = 126,928.80 × 32,030.40
  4. Step 4: Simplify right side
    84,619.20x = 4,065,580,235.52
  5. Step 5: Solve for x
    x = 4,065,580,235.52/84,619.20
  6. Step 6: Final answer
    x = 48,045.60

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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.