Home / 38,875.24-53,681.70-30,477.16

Finding the Fourth Proportional to 38,875.24, 53,681.70 and 30,477.16

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Solution

The fourth proportional to 38,875.24, 53,681.70 and 30,477.16 is: 42,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875.24 : 53,681.70 = 30,477.16 : x
  2. Step 2: Convert to fraction form
    38,875.24/53,681.70 = 30,477.16/x
  3. Step 3: Cross multiply
    38,875.24x = 53,681.70 × 30,477.16
  4. Step 4: Simplify right side
    38,875.24x = 1,636,065,759.97
  5. Step 5: Solve for x
    x = 1,636,065,759.97/38,875.24
  6. Step 6: Final answer
    x = 42,085.03

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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.