Home / 64,774.08-89,389.98-36,479.16

Finding the Fourth Proportional to 64,774.08, 89,389.98 and 36,479.16

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Solution

The fourth proportional to 64,774.08, 89,389.98 and 36,479.16 is: 50,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,774.08 : 89,389.98 = 36,479.16 : x
  2. Step 2: Convert to fraction form
    64,774.08/89,389.98 = 36,479.16/x
  3. Step 3: Cross multiply
    64,774.08x = 89,389.98 × 36,479.16
  4. Step 4: Simplify right side
    64,774.08x = 3,260,871,382.82
  5. Step 5: Solve for x
    x = 3,260,871,382.82/64,774.08
  6. Step 6: Final answer
    x = 50,342.23

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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.