Home / 42,756.48-59,020.44-38,272.32

Finding the Fourth Proportional to 42,756.48, 59,020.44 and 38,272.32

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Solution

The fourth proportional to 42,756.48, 59,020.44 and 38,272.32 is: 52,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,756.48 : 59,020.44 = 38,272.32 : x
  2. Step 2: Convert to fraction form
    42,756.48/59,020.44 = 38,272.32/x
  3. Step 3: Cross multiply
    42,756.48x = 59,020.44 × 38,272.32
  4. Step 4: Simplify right side
    42,756.48x = 2,258,849,166.22
  5. Step 5: Solve for x
    x = 2,258,849,166.22/42,756.48
  6. Step 6: Final answer
    x = 52,830.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.