Home / 34,948.32-52,430.58-9,988.71

Finding the Fourth Proportional to 34,948.32, 52,430.58 and 9,988.71

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Solution

The fourth proportional to 34,948.32, 52,430.58 and 9,988.71 is: 14,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,948.32 : 52,430.58 = 9,988.71 : x
  2. Step 2: Convert to fraction form
    34,948.32/52,430.58 = 9,988.71/x
  3. Step 3: Cross multiply
    34,948.32x = 52,430.58 × 9,988.71
  4. Step 4: Simplify right side
    34,948.32x = 523,713,858.75
  5. Step 5: Solve for x
    x = 523,713,858.75/34,948.32
  6. Step 6: Final answer
    x = 14,985.38

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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.