Home / 34,045.28-46,981.80-18,937.63

Finding the Fourth Proportional to 34,045.28, 46,981.80 and 18,937.63

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Solution

The fourth proportional to 34,045.28, 46,981.80 and 18,937.63 is: 26,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.28 : 46,981.80 = 18,937.63 : x
  2. Step 2: Convert to fraction form
    34,045.28/46,981.80 = 18,937.63/x
  3. Step 3: Cross multiply
    34,045.28x = 46,981.80 × 18,937.63
  4. Step 4: Simplify right side
    34,045.28x = 889,723,827.68
  5. Step 5: Solve for x
    x = 889,723,827.68/34,045.28
  6. Step 6: Final answer
    x = 26,133.55

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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.