Home / 52,712.64-72,819.36-42,088.32

Finding the Fourth Proportional to 52,712.64, 72,819.36 and 42,088.32

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Solution

The fourth proportional to 52,712.64, 72,819.36 and 42,088.32 is: 58,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.64 : 72,819.36 = 42,088.32 : x
  2. Step 2: Convert to fraction form
    52,712.64/72,819.36 = 42,088.32/x
  3. Step 3: Cross multiply
    52,712.64x = 72,819.36 × 42,088.32
  4. Step 4: Simplify right side
    52,712.64x = 3,064,844,525.88
  5. Step 5: Solve for x
    x = 3,064,844,525.88/52,712.64
  6. Step 6: Final answer
    x = 58,142.50

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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.