Home / 43,254.78-64,896.75-42,963.18

Finding the Fourth Proportional to 43,254.78, 64,896.75 and 42,963.18

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Solution

The fourth proportional to 43,254.78, 64,896.75 and 42,963.18 is: 64,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,254.78 : 64,896.75 = 42,963.18 : x
  2. Step 2: Convert to fraction form
    43,254.78/64,896.75 = 42,963.18/x
  3. Step 3: Cross multiply
    43,254.78x = 64,896.75 × 42,963.18
  4. Step 4: Simplify right side
    43,254.78x = 2,788,170,751.67
  5. Step 5: Solve for x
    x = 2,788,170,751.67/43,254.78
  6. Step 6: Final answer
    x = 64,459.25

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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.