Home / 48,030.48-72,056.36-18,448.32

Finding the Fourth Proportional to 48,030.48, 72,056.36 and 18,448.32

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Solution

The fourth proportional to 48,030.48, 72,056.36 and 18,448.32 is: 27,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,030.48 : 72,056.36 = 18,448.32 : x
  2. Step 2: Convert to fraction form
    48,030.48/72,056.36 = 18,448.32/x
  3. Step 3: Cross multiply
    48,030.48x = 72,056.36 × 18,448.32
  4. Step 4: Simplify right side
    48,030.48x = 1,329,318,787.32
  5. Step 5: Solve for x
    x = 1,329,318,787.32/48,030.48
  6. Step 6: Final answer
    x = 27,676.57

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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.