Home / 35,646.81-49,189.25-21,303.78

Finding the Fourth Proportional to 35,646.81, 49,189.25 and 21,303.78

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Solution

The fourth proportional to 35,646.81, 49,189.25 and 21,303.78 is: 29,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,646.81 : 49,189.25 = 21,303.78 : x
  2. Step 2: Convert to fraction form
    35,646.81/49,189.25 = 21,303.78/x
  3. Step 3: Cross multiply
    35,646.81x = 49,189.25 × 21,303.78
  4. Step 4: Simplify right side
    35,646.81x = 1,047,917,184.28
  5. Step 5: Solve for x
    x = 1,047,917,184.28/35,646.81
  6. Step 6: Final answer
    x = 29,397.22

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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.