Home / 30,307.20-45,256.32-24,771.68

Finding the Fourth Proportional to 30,307.20, 45,256.32 and 24,771.68

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Solution

The fourth proportional to 30,307.20, 45,256.32 and 24,771.68 is: 36,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.20 : 45,256.32 = 24,771.68 : x
  2. Step 2: Convert to fraction form
    30,307.20/45,256.32 = 24,771.68/x
  3. Step 3: Cross multiply
    30,307.20x = 45,256.32 × 24,771.68
  4. Step 4: Simplify right side
    30,307.20x = 1,121,075,077.02
  5. Step 5: Solve for x
    x = 1,121,075,077.02/30,307.20
  6. Step 6: Final answer
    x = 36,990.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.