Home / 30,259.57-45,385.71-10,536.48

Finding the Fourth Proportional to 30,259.57, 45,385.71 and 10,536.48

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Solution

The fourth proportional to 30,259.57, 45,385.71 and 10,536.48 is: 15,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.57 : 45,385.71 = 10,536.48 : x
  2. Step 2: Convert to fraction form
    30,259.57/45,385.71 = 10,536.48/x
  3. Step 3: Cross multiply
    30,259.57x = 45,385.71 × 10,536.48
  4. Step 4: Simplify right side
    30,259.57x = 478,205,625.70
  5. Step 5: Solve for x
    x = 478,205,625.70/30,259.57
  6. Step 6: Final answer
    x = 15,803.45

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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.