Home / 30,266.04-45,399.15-10,539.30

Finding the Fourth Proportional to 30,266.04, 45,399.15 and 10,539.30

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Solution

The fourth proportional to 30,266.04, 45,399.15 and 10,539.30 is: 15,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.04 : 45,399.15 = 10,539.30 : x
  2. Step 2: Convert to fraction form
    30,266.04/45,399.15 = 10,539.30/x
  3. Step 3: Cross multiply
    30,266.04x = 45,399.15 × 10,539.30
  4. Step 4: Simplify right side
    30,266.04x = 478,475,261.60
  5. Step 5: Solve for x
    x = 478,475,261.60/30,266.04
  6. Step 6: Final answer
    x = 15,808.98

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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.