Home / 30,008.07-45,018.18-8,948.48

Finding the Fourth Proportional to 30,008.07, 45,018.18 and 8,948.48

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Solution

The fourth proportional to 30,008.07, 45,018.18 and 8,948.48 is: 13,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.07 : 45,018.18 = 8,948.48 : x
  2. Step 2: Convert to fraction form
    30,008.07/45,018.18 = 8,948.48/x
  3. Step 3: Cross multiply
    30,008.07x = 45,018.18 × 8,948.48
  4. Step 4: Simplify right side
    30,008.07x = 402,844,058.28
  5. Step 5: Solve for x
    x = 402,844,058.28/30,008.07
  6. Step 6: Final answer
    x = 13,424.52

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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.