Home / 51,210.66-70,674.92-28,244.98

Finding the Fourth Proportional to 51,210.66, 70,674.92 and 28,244.98

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Solution

The fourth proportional to 51,210.66, 70,674.92 and 28,244.98 is: 38,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.66 : 70,674.92 = 28,244.98 : x
  2. Step 2: Convert to fraction form
    51,210.66/70,674.92 = 28,244.98/x
  3. Step 3: Cross multiply
    51,210.66x = 70,674.92 × 28,244.98
  4. Step 4: Simplify right side
    51,210.66x = 1,996,211,595.83
  5. Step 5: Solve for x
    x = 1,996,211,595.83/51,210.66
  6. Step 6: Final answer
    x = 38,980.39

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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.