Home / 51,210.18-70,616.16-40,437.18

Finding the Fourth Proportional to 51,210.18, 70,616.16 and 40,437.18

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Solution

The fourth proportional to 51,210.18, 70,616.16 and 40,437.18 is: 55,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.18 : 70,616.16 = 40,437.18 : x
  2. Step 2: Convert to fraction form
    51,210.18/70,616.16 = 40,437.18/x
  3. Step 3: Cross multiply
    51,210.18x = 70,616.16 × 40,437.18
  4. Step 4: Simplify right side
    51,210.18x = 2,855,518,372.83
  5. Step 5: Solve for x
    x = 2,855,518,372.83/51,210.18
  6. Step 6: Final answer
    x = 55,760.76

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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.