Home / 30,807.01-46,218.62-12,088.18

Finding the Fourth Proportional to 30,807.01, 46,218.62 and 12,088.18

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Solution

The fourth proportional to 30,807.01, 46,218.62 and 12,088.18 is: 18,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.01 : 46,218.62 = 12,088.18 : x
  2. Step 2: Convert to fraction form
    30,807.01/46,218.62 = 12,088.18/x
  3. Step 3: Cross multiply
    30,807.01x = 46,218.62 × 12,088.18
  4. Step 4: Simplify right side
    30,807.01x = 558,698,937.47
  5. Step 5: Solve for x
    x = 558,698,937.47/30,807.01
  6. Step 6: Final answer
    x = 18,135.45

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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.