Home / 38,973.51-53,783.37-21,068.52

Finding the Fourth Proportional to 38,973.51, 53,783.37 and 21,068.52

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Solution

The fourth proportional to 38,973.51, 53,783.37 and 21,068.52 is: 29,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973.51 : 53,783.37 = 21,068.52 : x
  2. Step 2: Convert to fraction form
    38,973.51/53,783.37 = 21,068.52/x
  3. Step 3: Cross multiply
    38,973.51x = 53,783.37 × 21,068.52
  4. Step 4: Simplify right side
    38,973.51x = 1,133,136,006.51
  5. Step 5: Solve for x
    x = 1,133,136,006.51/38,973.51
  6. Step 6: Final answer
    x = 29,074.52

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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.