Home / 38,688.48-53,386.80-26,130.24

Finding the Fourth Proportional to 38,688.48, 53,386.80 and 26,130.24

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Solution

The fourth proportional to 38,688.48, 53,386.80 and 26,130.24 is: 36,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.48 : 53,386.80 = 26,130.24 : x
  2. Step 2: Convert to fraction form
    38,688.48/53,386.80 = 26,130.24/x
  3. Step 3: Cross multiply
    38,688.48x = 53,386.80 × 26,130.24
  4. Step 4: Simplify right side
    38,688.48x = 1,395,009,896.83
  5. Step 5: Solve for x
    x = 1,395,009,896.83/38,688.48
  6. Step 6: Final answer
    x = 36,057.50

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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.