Home / 56,907.04-85,358.40-15,355.12

Finding the Fourth Proportional to 56,907.04, 85,358.40 and 15,355.12

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Solution

The fourth proportional to 56,907.04, 85,358.40 and 15,355.12 is: 23,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.04 : 85,358.40 = 15,355.12 : x
  2. Step 2: Convert to fraction form
    56,907.04/85,358.40 = 15,355.12/x
  3. Step 3: Cross multiply
    56,907.04x = 85,358.40 × 15,355.12
  4. Step 4: Simplify right side
    56,907.04x = 1,310,688,475.01
  5. Step 5: Solve for x
    x = 1,310,688,475.01/56,907.04
  6. Step 6: Final answer
    x = 23,032.10

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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.