Home / 29,319.49-43,653-28,905.40

Finding the Fourth Proportional to 29,319.49, 43,653 and 28,905.40

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Solution

The fourth proportional to 29,319.49, 43,653 and 28,905.40 is: 43,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.49 : 43,653 = 28,905.40 : x
  2. Step 2: Convert to fraction form
    29,319.49/43,653 = 28,905.40/x
  3. Step 3: Cross multiply
    29,319.49x = 43,653 × 28,905.40
  4. Step 4: Simplify right side
    29,319.49x = 1,261,807,426.20
  5. Step 5: Solve for x
    x = 1,261,807,426.20/29,319.49
  6. Step 6: Final answer
    x = 43,036.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.