Home / 43,686.20-65,606.10-42,303.80

Finding the Fourth Proportional to 43,686.20, 65,606.10 and 42,303.80

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Solution

The fourth proportional to 43,686.20, 65,606.10 and 42,303.80 is: 63,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.20 : 65,606.10 = 42,303.80 : x
  2. Step 2: Convert to fraction form
    43,686.20/65,606.10 = 42,303.80/x
  3. Step 3: Cross multiply
    43,686.20x = 65,606.10 × 42,303.80
  4. Step 4: Simplify right side
    43,686.20x = 2,775,387,333.18
  5. Step 5: Solve for x
    x = 2,775,387,333.18/43,686.20
  6. Step 6: Final answer
    x = 63,530.07

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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.