Home / 30,295.02-45,438.86-8,110.10

Finding the Fourth Proportional to 30,295.02, 45,438.86 and 8,110.10

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Solution

The fourth proportional to 30,295.02, 45,438.86 and 8,110.10 is: 12,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.02 : 45,438.86 = 8,110.10 : x
  2. Step 2: Convert to fraction form
    30,295.02/45,438.86 = 8,110.10/x
  3. Step 3: Cross multiply
    30,295.02x = 45,438.86 × 8,110.10
  4. Step 4: Simplify right side
    30,295.02x = 368,513,698.49
  5. Step 5: Solve for x
    x = 368,513,698.49/30,295.02
  6. Step 6: Final answer
    x = 12,164.17

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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.