Home / 35,088.76-48,415.80-20,942.92

Finding the Fourth Proportional to 35,088.76, 48,415.80 and 20,942.92

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Solution

The fourth proportional to 35,088.76, 48,415.80 and 20,942.92 is: 28,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.76 : 48,415.80 = 20,942.92 : x
  2. Step 2: Convert to fraction form
    35,088.76/48,415.80 = 20,942.92/x
  3. Step 3: Cross multiply
    35,088.76x = 48,415.80 × 20,942.92
  4. Step 4: Simplify right side
    35,088.76x = 1,013,968,226.14
  5. Step 5: Solve for x
    x = 1,013,968,226.14/35,088.76
  6. Step 6: Final answer
    x = 28,897.24

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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.