Home / 30,518.29-45,800.86-13,656.52

Finding the Fourth Proportional to 30,518.29, 45,800.86 and 13,656.52

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Solution

The fourth proportional to 30,518.29, 45,800.86 and 13,656.52 is: 20,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.29 : 45,800.86 = 13,656.52 : x
  2. Step 2: Convert to fraction form
    30,518.29/45,800.86 = 13,656.52/x
  3. Step 3: Cross multiply
    30,518.29x = 45,800.86 × 13,656.52
  4. Step 4: Simplify right side
    30,518.29x = 625,480,360.61
  5. Step 5: Solve for x
    x = 625,480,360.61/30,518.29
  6. Step 6: Final answer
    x = 20,495.26

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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.