Home / 30,655.02-45,970.38-10,658.55

Finding the Fourth Proportional to 30,655.02, 45,970.38 and 10,658.55

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Solution

The fourth proportional to 30,655.02, 45,970.38 and 10,658.55 is: 15,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.02 : 45,970.38 = 10,658.55 : x
  2. Step 2: Convert to fraction form
    30,655.02/45,970.38 = 10,658.55/x
  3. Step 3: Cross multiply
    30,655.02x = 45,970.38 × 10,658.55
  4. Step 4: Simplify right side
    30,655.02x = 489,977,593.75
  5. Step 5: Solve for x
    x = 489,977,593.75/30,655.02
  6. Step 6: Final answer
    x = 15,983.60

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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.