Home / 37,900.54-52,307.77-21,981.70

Finding the Fourth Proportional to 37,900.54, 52,307.77 and 21,981.70

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Solution

The fourth proportional to 37,900.54, 52,307.77 and 21,981.70 is: 30,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,900.54 : 52,307.77 = 21,981.70 : x
  2. Step 2: Convert to fraction form
    37,900.54/52,307.77 = 21,981.70/x
  3. Step 3: Cross multiply
    37,900.54x = 52,307.77 × 21,981.70
  4. Step 4: Simplify right side
    37,900.54x = 1,149,813,707.81
  5. Step 5: Solve for x
    x = 1,149,813,707.81/37,900.54
  6. Step 6: Final answer
    x = 30,337.66

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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.