Home / 38,599.51-53,263.56-21,602.74

Finding the Fourth Proportional to 38,599.51, 53,263.56 and 21,602.74

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Solution

The fourth proportional to 38,599.51, 53,263.56 and 21,602.74 is: 29,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.51 : 53,263.56 = 21,602.74 : x
  2. Step 2: Convert to fraction form
    38,599.51/53,263.56 = 21,602.74/x
  3. Step 3: Cross multiply
    38,599.51x = 53,263.56 × 21,602.74
  4. Step 4: Simplify right side
    38,599.51x = 1,150,638,838.15
  5. Step 5: Solve for x
    x = 1,150,638,838.15/38,599.51
  6. Step 6: Final answer
    x = 29,809.67

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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.