Home / 30,386.70-45,580.02-15,587.34

Finding the Fourth Proportional to 30,386.70, 45,580.02 and 15,587.34

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Solution

The fourth proportional to 30,386.70, 45,580.02 and 15,587.34 is: 23,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.70 : 45,580.02 = 15,587.34 : x
  2. Step 2: Convert to fraction form
    30,386.70/45,580.02 = 15,587.34/x
  3. Step 3: Cross multiply
    30,386.70x = 45,580.02 × 15,587.34
  4. Step 4: Simplify right side
    30,386.70x = 710,471,268.95
  5. Step 5: Solve for x
    x = 710,471,268.95/30,386.70
  6. Step 6: Final answer
    x = 23,380.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.