Home / 30,650.10-45,985.06-15,056.80

Finding the Fourth Proportional to 30,650.10, 45,985.06 and 15,056.80

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Solution

The fourth proportional to 30,650.10, 45,985.06 and 15,056.80 is: 22,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650.10 : 45,985.06 = 15,056.80 : x
  2. Step 2: Convert to fraction form
    30,650.10/45,985.06 = 15,056.80/x
  3. Step 3: Cross multiply
    30,650.10x = 45,985.06 × 15,056.80
  4. Step 4: Simplify right side
    30,650.10x = 692,387,851.41
  5. Step 5: Solve for x
    x = 692,387,851.41/30,650.10
  6. Step 6: Final answer
    x = 22,590.07

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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.