Home / 35,756.18-49,345.87-20,649.47

Finding the Fourth Proportional to 35,756.18, 49,345.87 and 20,649.47

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Solution

The fourth proportional to 35,756.18, 49,345.87 and 20,649.47 is: 28,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.18 : 49,345.87 = 20,649.47 : x
  2. Step 2: Convert to fraction form
    35,756.18/49,345.87 = 20,649.47/x
  3. Step 3: Cross multiply
    35,756.18x = 49,345.87 × 20,649.47
  4. Step 4: Simplify right side
    35,756.18x = 1,018,966,133.93
  5. Step 5: Solve for x
    x = 1,018,966,133.93/35,756.18
  6. Step 6: Final answer
    x = 28,497.63

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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.