Home / 30,298.12-45,415.59-17,807.92

Finding the Fourth Proportional to 30,298.12, 45,415.59 and 17,807.92

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Solution

The fourth proportional to 30,298.12, 45,415.59 and 17,807.92 is: 26,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.12 : 45,415.59 = 17,807.92 : x
  2. Step 2: Convert to fraction form
    30,298.12/45,415.59 = 17,807.92/x
  3. Step 3: Cross multiply
    30,298.12x = 45,415.59 × 17,807.92
  4. Step 4: Simplify right side
    30,298.12x = 808,757,193.47
  5. Step 5: Solve for x
    x = 808,757,193.47/30,298.12
  6. Step 6: Final answer
    x = 26,693.31

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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.