Home / 60,025.74-90,029.34-20,045.40

Finding the Fourth Proportional to 60,025.74, 90,029.34 and 20,045.40

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Solution

The fourth proportional to 60,025.74, 90,029.34 and 20,045.40 is: 30,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,025.74 : 90,029.34 = 20,045.40 : x
  2. Step 2: Convert to fraction form
    60,025.74/90,029.34 = 20,045.40/x
  3. Step 3: Cross multiply
    60,025.74x = 90,029.34 × 20,045.40
  4. Step 4: Simplify right side
    60,025.74x = 1,804,674,132.04
  5. Step 5: Solve for x
    x = 1,804,674,132.04/60,025.74
  6. Step 6: Final answer
    x = 30,065.00

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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.