Home / 30,184.02-45,258.30-9,117.72

Finding the Fourth Proportional to 30,184.02, 45,258.30 and 9,117.72

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Solution

The fourth proportional to 30,184.02, 45,258.30 and 9,117.72 is: 13,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.02 : 45,258.30 = 9,117.72 : x
  2. Step 2: Convert to fraction form
    30,184.02/45,258.30 = 9,117.72/x
  3. Step 3: Cross multiply
    30,184.02x = 45,258.30 × 9,117.72
  4. Step 4: Simplify right side
    30,184.02x = 412,652,507.08
  5. Step 5: Solve for x
    x = 412,652,507.08/30,184.02
  6. Step 6: Final answer
    x = 13,671.22

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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.