Home / 43,276.71-64,918.35-11,686.31

Finding the Fourth Proportional to 43,276.71, 64,918.35 and 11,686.31

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Solution

The fourth proportional to 43,276.71, 64,918.35 and 11,686.31 is: 17,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.71 : 64,918.35 = 11,686.31 : x
  2. Step 2: Convert to fraction form
    43,276.71/64,918.35 = 11,686.31/x
  3. Step 3: Cross multiply
    43,276.71x = 64,918.35 × 11,686.31
  4. Step 4: Simplify right side
    43,276.71x = 758,655,962.79
  5. Step 5: Solve for x
    x = 758,655,962.79/43,276.71
  6. Step 6: Final answer
    x = 17,530.35

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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.