Home / 35,981.71-53,972.51-9,686.48

Finding the Fourth Proportional to 35,981.71, 53,972.51 and 9,686.48

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Solution

The fourth proportional to 35,981.71, 53,972.51 and 9,686.48 is: 14,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.71 : 53,972.51 = 9,686.48 : x
  2. Step 2: Convert to fraction form
    35,981.71/53,972.51 = 9,686.48/x
  3. Step 3: Cross multiply
    35,981.71x = 53,972.51 × 9,686.48
  4. Step 4: Simplify right side
    35,981.71x = 522,803,368.80
  5. Step 5: Solve for x
    x = 522,803,368.80/35,981.71
  6. Step 6: Final answer
    x = 14,529.70

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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.