Home / 35,756.52-49,297.05-30,774.21

Finding the Fourth Proportional to 35,756.52, 49,297.05 and 30,774.21

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Solution

The fourth proportional to 35,756.52, 49,297.05 and 30,774.21 is: 42,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.52 : 49,297.05 = 30,774.21 : x
  2. Step 2: Convert to fraction form
    35,756.52/49,297.05 = 30,774.21/x
  3. Step 3: Cross multiply
    35,756.52x = 49,297.05 × 30,774.21
  4. Step 4: Simplify right side
    35,756.52x = 1,517,077,769.08
  5. Step 5: Solve for x
    x = 1,517,077,769.08/35,756.52
  6. Step 6: Final answer
    x = 42,428.00

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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.