Home / 30,397.02-45,595.20-9,620.52

Finding the Fourth Proportional to 30,397.02, 45,595.20 and 9,620.52

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Solution

The fourth proportional to 30,397.02, 45,595.20 and 9,620.52 is: 14,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.02 : 45,595.20 = 9,620.52 : x
  2. Step 2: Convert to fraction form
    30,397.02/45,595.20 = 9,620.52/x
  3. Step 3: Cross multiply
    30,397.02x = 45,595.20 × 9,620.52
  4. Step 4: Simplify right side
    30,397.02x = 438,649,533.50
  5. Step 5: Solve for x
    x = 438,649,533.50/30,397.02
  6. Step 6: Final answer
    x = 14,430.68

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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.