Home / 29,901.02-40,964.58-28,779.98

Finding the Fourth Proportional to 29,901.02, 40,964.58 and 28,779.98

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Solution

The fourth proportional to 29,901.02, 40,964.58 and 28,779.98 is: 39,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,901.02 : 40,964.58 = 28,779.98 : x
  2. Step 2: Convert to fraction form
    29,901.02/40,964.58 = 28,779.98/x
  3. Step 3: Cross multiply
    29,901.02x = 40,964.58 × 28,779.98
  4. Step 4: Simplify right side
    29,901.02x = 1,178,959,588.29
  5. Step 5: Solve for x
    x = 1,178,959,588.29/29,901.02
  6. Step 6: Final answer
    x = 39,428.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.