Home / 51,050.06-70,432.26-30,899.30

Finding the Fourth Proportional to 51,050.06, 70,432.26 and 30,899.30

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Solution

The fourth proportional to 51,050.06, 70,432.26 and 30,899.30 is: 42,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,050.06 : 70,432.26 = 30,899.30 : x
  2. Step 2: Convert to fraction form
    51,050.06/70,432.26 = 30,899.30/x
  3. Step 3: Cross multiply
    51,050.06x = 70,432.26 × 30,899.30
  4. Step 4: Simplify right side
    51,050.06x = 2,176,307,531.42
  5. Step 5: Solve for x
    x = 2,176,307,531.42/51,050.06
  6. Step 6: Final answer
    x = 42,630.85

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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.