Home / 47,005.53-64,868.52-28,847.16

Finding the Fourth Proportional to 47,005.53, 64,868.52 and 28,847.16

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Solution

The fourth proportional to 47,005.53, 64,868.52 and 28,847.16 is: 39,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.53 : 64,868.52 = 28,847.16 : x
  2. Step 2: Convert to fraction form
    47,005.53/64,868.52 = 28,847.16/x
  3. Step 3: Cross multiply
    47,005.53x = 64,868.52 × 28,847.16
  4. Step 4: Simplify right side
    47,005.53x = 1,871,272,860.87
  5. Step 5: Solve for x
    x = 1,871,272,860.87/47,005.53
  6. Step 6: Final answer
    x = 39,809.63

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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.