Home / 30,470.03-45,686.58-19,927.32

Finding the Fourth Proportional to 30,470.03, 45,686.58 and 19,927.32

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Solution

The fourth proportional to 30,470.03, 45,686.58 and 19,927.32 is: 29,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.03 : 45,686.58 = 19,927.32 : x
  2. Step 2: Convert to fraction form
    30,470.03/45,686.58 = 19,927.32/x
  3. Step 3: Cross multiply
    30,470.03x = 45,686.58 × 19,927.32
  4. Step 4: Simplify right side
    30,470.03x = 910,411,099.37
  5. Step 5: Solve for x
    x = 910,411,099.37/30,470.03
  6. Step 6: Final answer
    x = 29,878.90

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1.5x scale

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.