Home / 55,975.32-83,962.98-42,678.36

Finding the Fourth Proportional to 55,975.32, 83,962.98 and 42,678.36

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Solution

The fourth proportional to 55,975.32, 83,962.98 and 42,678.36 is: 64,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.32 : 83,962.98 = 42,678.36 : x
  2. Step 2: Convert to fraction form
    55,975.32/83,962.98 = 42,678.36/x
  3. Step 3: Cross multiply
    55,975.32x = 83,962.98 × 42,678.36
  4. Step 4: Simplify right side
    55,975.32x = 3,583,402,287.11
  5. Step 5: Solve for x
    x = 3,583,402,287.11/55,975.32
  6. Step 6: Final answer
    x = 64,017.54

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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.