Home / 43,281.84-64,948.14-18,320.34

Finding the Fourth Proportional to 43,281.84, 64,948.14 and 18,320.34

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Solution

The fourth proportional to 43,281.84, 64,948.14 and 18,320.34 is: 27,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.84 : 64,948.14 = 18,320.34 : x
  2. Step 2: Convert to fraction form
    43,281.84/64,948.14 = 18,320.34/x
  3. Step 3: Cross multiply
    43,281.84x = 64,948.14 × 18,320.34
  4. Step 4: Simplify right side
    43,281.84x = 1,189,872,007.17
  5. Step 5: Solve for x
    x = 1,189,872,007.17/43,281.84
  6. Step 6: Final answer
    x = 27,491.25

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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.