Home / 47,013.21-70,547.36-17,451.45

Finding the Fourth Proportional to 47,013.21, 70,547.36 and 17,451.45

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Solution

The fourth proportional to 47,013.21, 70,547.36 and 17,451.45 is: 26,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.21 : 70,547.36 = 17,451.45 : x
  2. Step 2: Convert to fraction form
    47,013.21/70,547.36 = 17,451.45/x
  3. Step 3: Cross multiply
    47,013.21x = 70,547.36 × 17,451.45
  4. Step 4: Simplify right side
    47,013.21x = 1,231,153,638.41
  5. Step 5: Solve for x
    x = 1,231,153,638.41/47,013.21
  6. Step 6: Final answer
    x = 26,187.40

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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.