Home / 35,478.22-48,959.28-19,345.72

Finding the Fourth Proportional to 35,478.22, 48,959.28 and 19,345.72

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Solution

The fourth proportional to 35,478.22, 48,959.28 and 19,345.72 is: 26,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.22 : 48,959.28 = 19,345.72 : x
  2. Step 2: Convert to fraction form
    35,478.22/48,959.28 = 19,345.72/x
  3. Step 3: Cross multiply
    35,478.22x = 48,959.28 × 19,345.72
  4. Step 4: Simplify right side
    35,478.22x = 947,152,522.28
  5. Step 5: Solve for x
    x = 947,152,522.28/35,478.22
  6. Step 6: Final answer
    x = 26,696.73

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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.