Home / 64,533.75-89,017.97-40,618.91

Finding the Fourth Proportional to 64,533.75, 89,017.97 and 40,618.91

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Solution

The fourth proportional to 64,533.75, 89,017.97 and 40,618.91 is: 56,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,533.75 : 89,017.97 = 40,618.91 : x
  2. Step 2: Convert to fraction form
    64,533.75/89,017.97 = 40,618.91/x
  3. Step 3: Cross multiply
    64,533.75x = 89,017.97 × 40,618.91
  4. Step 4: Simplify right side
    64,533.75x = 3,615,812,263.63
  5. Step 5: Solve for x
    x = 3,615,812,263.63/64,533.75
  6. Step 6: Final answer
    x = 56,029.79

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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.