Home / 33,390.56-46,077.23-18,280.32

Finding the Fourth Proportional to 33,390.56, 46,077.23 and 18,280.32

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Solution

The fourth proportional to 33,390.56, 46,077.23 and 18,280.32 is: 25,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.56 : 46,077.23 = 18,280.32 : x
  2. Step 2: Convert to fraction form
    33,390.56/46,077.23 = 18,280.32/x
  3. Step 3: Cross multiply
    33,390.56x = 46,077.23 × 18,280.32
  4. Step 4: Simplify right side
    33,390.56x = 842,306,417.71
  5. Step 5: Solve for x
    x = 842,306,417.71/33,390.56
  6. Step 6: Final answer
    x = 25,225.89

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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.