Home / 60,013.08-90,019.59-20,570.52

Finding the Fourth Proportional to 60,013.08, 90,019.59 and 20,570.52

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Solution

The fourth proportional to 60,013.08, 90,019.59 and 20,570.52 is: 30,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.08 : 90,019.59 = 20,570.52 : x
  2. Step 2: Convert to fraction form
    60,013.08/90,019.59 = 20,570.52/x
  3. Step 3: Cross multiply
    60,013.08x = 90,019.59 × 20,570.52
  4. Step 4: Simplify right side
    60,013.08x = 1,851,749,776.49
  5. Step 5: Solve for x
    x = 1,851,749,776.49/60,013.08
  6. Step 6: Final answer
    x = 30,855.77

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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.