Home / 70,549.21-105,827.07-17,959.15

Finding the Fourth Proportional to 70,549.21, 105,827.07 and 17,959.15

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Solution

The fourth proportional to 70,549.21, 105,827.07 and 17,959.15 is: 26,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549.21 : 105,827.07 = 17,959.15 : x
  2. Step 2: Convert to fraction form
    70,549.21/105,827.07 = 17,959.15/x
  3. Step 3: Cross multiply
    70,549.21x = 105,827.07 × 17,959.15
  4. Step 4: Simplify right side
    70,549.21x = 1,900,564,224.19
  5. Step 5: Solve for x
    x = 1,900,564,224.19/70,549.21
  6. Step 6: Final answer
    x = 26,939.55

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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.