Home / 35,478.60-48,966.32-21,339.24

Finding the Fourth Proportional to 35,478.60, 48,966.32 and 21,339.24

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Solution

The fourth proportional to 35,478.60, 48,966.32 and 21,339.24 is: 29,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.60 : 48,966.32 = 21,339.24 : x
  2. Step 2: Convert to fraction form
    35,478.60/48,966.32 = 21,339.24/x
  3. Step 3: Cross multiply
    35,478.60x = 48,966.32 × 21,339.24
  4. Step 4: Simplify right side
    35,478.60x = 1,044,904,054.40
  5. Step 5: Solve for x
    x = 1,044,904,054.40/35,478.60
  6. Step 6: Final answer
    x = 29,451.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.