Home / 48,509.13-66,951.80-30,368.25

Finding the Fourth Proportional to 48,509.13, 66,951.80 and 30,368.25

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Solution

The fourth proportional to 48,509.13, 66,951.80 and 30,368.25 is: 41,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.13 : 66,951.80 = 30,368.25 : x
  2. Step 2: Convert to fraction form
    48,509.13/66,951.80 = 30,368.25/x
  3. Step 3: Cross multiply
    48,509.13x = 66,951.80 × 30,368.25
  4. Step 4: Simplify right side
    48,509.13x = 2,033,208,848.51
  5. Step 5: Solve for x
    x = 2,033,208,848.51/48,509.13
  6. Step 6: Final answer
    x = 41,913.94

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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.