Home / 45,030.30-67,545.37-42,290.06

Finding the Fourth Proportional to 45,030.30, 67,545.37 and 42,290.06

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Solution

The fourth proportional to 45,030.30, 67,545.37 and 42,290.06 is: 63,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.30 : 67,545.37 = 42,290.06 : x
  2. Step 2: Convert to fraction form
    45,030.30/67,545.37 = 42,290.06/x
  3. Step 3: Cross multiply
    45,030.30x = 67,545.37 × 42,290.06
  4. Step 4: Simplify right side
    45,030.30x = 2,856,497,623.00
  5. Step 5: Solve for x
    x = 2,856,497,623.00/45,030.30
  6. Step 6: Final answer
    x = 63,435.01

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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.