Home / 47,087.90-70,632.68-17,123.40

Finding the Fourth Proportional to 47,087.90, 70,632.68 and 17,123.40

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Solution

The fourth proportional to 47,087.90, 70,632.68 and 17,123.40 is: 25,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.90 : 70,632.68 = 17,123.40 : x
  2. Step 2: Convert to fraction form
    47,087.90/70,632.68 = 17,123.40/x
  3. Step 3: Cross multiply
    47,087.90x = 70,632.68 × 17,123.40
  4. Step 4: Simplify right side
    47,087.90x = 1,209,471,547.10
  5. Step 5: Solve for x
    x = 1,209,471,547.10/47,087.90
  6. Step 6: Final answer
    x = 25,685.40

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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.