Home / 32,428-48,579.06-21,300.93

Finding the Fourth Proportional to 32,428, 48,579.06 and 21,300.93

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Solution

The fourth proportional to 32,428, 48,579.06 and 21,300.93 is: 31,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428 : 48,579.06 = 21,300.93 : x
  2. Step 2: Convert to fraction form
    32,428/48,579.06 = 21,300.93/x
  3. Step 3: Cross multiply
    32,428x = 48,579.06 × 21,300.93
  4. Step 4: Simplify right side
    32,428x = 1,034,779,156.53
  5. Step 5: Solve for x
    x = 1,034,779,156.53/32,428
  6. Step 6: Final answer
    x = 31,910.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.