Home / 47,009.80-64,840.08-29,113.30

Finding the Fourth Proportional to 47,009.80, 64,840.08 and 29,113.30

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Solution

The fourth proportional to 47,009.80, 64,840.08 and 29,113.30 is: 40,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.80 : 64,840.08 = 29,113.30 : x
  2. Step 2: Convert to fraction form
    47,009.80/64,840.08 = 29,113.30/x
  3. Step 3: Cross multiply
    47,009.80x = 64,840.08 × 29,113.30
  4. Step 4: Simplify right side
    47,009.80x = 1,887,708,701.06
  5. Step 5: Solve for x
    x = 1,887,708,701.06/47,009.80
  6. Step 6: Final answer
    x = 40,155.64

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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.