Home / 43,281.64-64,915.94-13,695.62

Finding the Fourth Proportional to 43,281.64, 64,915.94 and 13,695.62

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Solution

The fourth proportional to 43,281.64, 64,915.94 and 13,695.62 is: 20,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.64 : 64,915.94 = 13,695.62 : x
  2. Step 2: Convert to fraction form
    43,281.64/64,915.94 = 13,695.62/x
  3. Step 3: Cross multiply
    43,281.64x = 64,915.94 × 13,695.62
  4. Step 4: Simplify right side
    43,281.64x = 889,064,242.71
  5. Step 5: Solve for x
    x = 889,064,242.71/43,281.64
  6. Step 6: Final answer
    x = 20,541.37

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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.