Home / 30,017.02-45,023.89-15,225.55

Finding the Fourth Proportional to 30,017.02, 45,023.89 and 15,225.55

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Solution

The fourth proportional to 30,017.02, 45,023.89 and 15,225.55 is: 22,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.02 : 45,023.89 = 15,225.55 : x
  2. Step 2: Convert to fraction form
    30,017.02/45,023.89 = 15,225.55/x
  3. Step 3: Cross multiply
    30,017.02x = 45,023.89 × 15,225.55
  4. Step 4: Simplify right side
    30,017.02x = 685,513,263.27
  5. Step 5: Solve for x
    x = 685,513,263.27/30,017.02
  6. Step 6: Final answer
    x = 22,837.49

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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.