Home / 37,685.05-51,971.47-28,148.06

Finding the Fourth Proportional to 37,685.05, 51,971.47 and 28,148.06

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Solution

The fourth proportional to 37,685.05, 51,971.47 and 28,148.06 is: 38,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.05 : 51,971.47 = 28,148.06 : x
  2. Step 2: Convert to fraction form
    37,685.05/51,971.47 = 28,148.06/x
  3. Step 3: Cross multiply
    37,685.05x = 51,971.47 × 28,148.06
  4. Step 4: Simplify right side
    37,685.05x = 1,462,895,981.40
  5. Step 5: Solve for x
    x = 1,462,895,981.40/37,685.05
  6. Step 6: Final answer
    x = 38,819.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.