Home / 30,395.04-45,542.40-18,683.52

Finding the Fourth Proportional to 30,395.04, 45,542.40 and 18,683.52

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Solution

The fourth proportional to 30,395.04, 45,542.40 and 18,683.52 is: 27,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.04 : 45,542.40 = 18,683.52 : x
  2. Step 2: Convert to fraction form
    30,395.04/45,542.40 = 18,683.52/x
  3. Step 3: Cross multiply
    30,395.04x = 45,542.40 × 18,683.52
  4. Step 4: Simplify right side
    30,395.04x = 850,892,341.25
  5. Step 5: Solve for x
    x = 850,892,341.25/30,395.04
  6. Step 6: Final answer
    x = 27,994.45

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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.