Home / 51,054.32-70,459.36-28,397.76

Finding the Fourth Proportional to 51,054.32, 70,459.36 and 28,397.76

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Solution

The fourth proportional to 51,054.32, 70,459.36 and 28,397.76 is: 39,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,054.32 : 70,459.36 = 28,397.76 : x
  2. Step 2: Convert to fraction form
    51,054.32/70,459.36 = 28,397.76/x
  3. Step 3: Cross multiply
    51,054.32x = 70,459.36 × 28,397.76
  4. Step 4: Simplify right side
    51,054.32x = 2,000,887,995.03
  5. Step 5: Solve for x
    x = 2,000,887,995.03/51,054.32
  6. Step 6: Final answer
    x = 39,191.36

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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.