Home / 42,767.04-64,150.54-19,068.47

Finding the Fourth Proportional to 42,767.04, 64,150.54 and 19,068.47

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Solution

The fourth proportional to 42,767.04, 64,150.54 and 19,068.47 is: 28,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.04 : 64,150.54 = 19,068.47 : x
  2. Step 2: Convert to fraction form
    42,767.04/64,150.54 = 19,068.47/x
  3. Step 3: Cross multiply
    42,767.04x = 64,150.54 × 19,068.47
  4. Step 4: Simplify right side
    42,767.04x = 1,223,252,647.47
  5. Step 5: Solve for x
    x = 1,223,252,647.47/42,767.04
  6. Step 6: Final answer
    x = 28,602.70

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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.