Home / 35,152.24-52,749.12-12,981.12

Finding the Fourth Proportional to 35,152.24, 52,749.12 and 12,981.12

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Solution

The fourth proportional to 35,152.24, 52,749.12 and 12,981.12 is: 19,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.24 : 52,749.12 = 12,981.12 : x
  2. Step 2: Convert to fraction form
    35,152.24/52,749.12 = 12,981.12/x
  3. Step 3: Cross multiply
    35,152.24x = 52,749.12 × 12,981.12
  4. Step 4: Simplify right side
    35,152.24x = 684,742,656.61
  5. Step 5: Solve for x
    x = 684,742,656.61/35,152.24
  6. Step 6: Final answer
    x = 19,479.35

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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.