Home / 54,027.10-81,113.55-42,946.30

Finding the Fourth Proportional to 54,027.10, 81,113.55 and 42,946.30

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Solution

The fourth proportional to 54,027.10, 81,113.55 and 42,946.30 is: 64,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,027.10 : 81,113.55 = 42,946.30 : x
  2. Step 2: Convert to fraction form
    54,027.10/81,113.55 = 42,946.30/x
  3. Step 3: Cross multiply
    54,027.10x = 81,113.55 × 42,946.30
  4. Step 4: Simplify right side
    54,027.10x = 3,483,526,852.37
  5. Step 5: Solve for x
    x = 3,483,526,852.37/54,027.10
  6. Step 6: Final answer
    x = 64,477.40

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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.