Home / 20,698.53-31,038.45-5,903.93

Finding the Fourth Proportional to 20,698.53, 31,038.45 and 5,903.93

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Solution

The fourth proportional to 20,698.53, 31,038.45 and 5,903.93 is: 8,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.53 : 31,038.45 = 5,903.93 : x
  2. Step 2: Convert to fraction form
    20,698.53/31,038.45 = 5,903.93/x
  3. Step 3: Cross multiply
    20,698.53x = 31,038.45 × 5,903.93
  4. Step 4: Simplify right side
    20,698.53x = 183,248,836.11
  5. Step 5: Solve for x
    x = 183,248,836.11/20,698.53
  6. Step 6: Final answer
    x = 8,853.23

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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.