Home / 35,820.16-49,428-20,710.44

Finding the Fourth Proportional to 35,820.16, 49,428 and 20,710.44

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Solution

The fourth proportional to 35,820.16, 49,428 and 20,710.44 is: 28,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.16 : 49,428 = 20,710.44 : x
  2. Step 2: Convert to fraction form
    35,820.16/49,428 = 20,710.44/x
  3. Step 3: Cross multiply
    35,820.16x = 49,428 × 20,710.44
  4. Step 4: Simplify right side
    35,820.16x = 1,023,675,628.32
  5. Step 5: Solve for x
    x = 1,023,675,628.32/35,820.16
  6. Step 6: Final answer
    x = 28,578.20

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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.