Home / 50,423.19-75,656.39-20,862.51

Finding the Fourth Proportional to 50,423.19, 75,656.39 and 20,862.51

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Solution

The fourth proportional to 50,423.19, 75,656.39 and 20,862.51 is: 31,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,423.19 : 75,656.39 = 20,862.51 : x
  2. Step 2: Convert to fraction form
    50,423.19/75,656.39 = 20,862.51/x
  3. Step 3: Cross multiply
    50,423.19x = 75,656.39 × 20,862.51
  4. Step 4: Simplify right side
    50,423.19x = 1,578,382,088.63
  5. Step 5: Solve for x
    x = 1,578,382,088.63/50,423.19
  6. Step 6: Final answer
    x = 31,302.70

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1.5x scale

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.